Method for receiving information, base station, and terminal

Abstract

Disclosed are a method and apparatus for sending information, a method and apparatus for receiving information, a base station and a terminal. The method for sending information includes: configuring semi-persistent scheduling information for indicating N transmission opportunities in a semi-persistent scheduling period, where the N transmission opportunities include M transmission opportunities for transmitting data by a sending end, where N is an integer greater than 1, M is an integer, and 0<M≤N; and sending the configured semi-persistent scheduling information to a terminal. Through the present disclosure, the problem, in the related art, that the semi-persistent scheduling cannot meet the requirement of low latency is solved, and scheduling flexibility is improved.

What is claimed is: 
     
       1. A method for receiving information, comprising:
 receiving, by a terminal, semi-persistent scheduling information for indicating N times of transmission opportunities in each semi-persistent scheduling period of a plurality of semi-persistent scheduling periods sent by a base station, wherein the N times of transmission opportunities comprise M times of transmission opportunities for transmitting data by a sending end; wherein N is an integer greater than 1, M is an integer, and 0<M≤N; 
 wherein the M times of transmission opportunities are selected from the N times of transmission opportunities by the sending end; 
 wherein the semi-persistent scheduling information further comprises indication information for indicating one transmission opportunity window where the N times of transmission opportunities are located; and 
 wherein each of the N times of transmission opportunities comprises a transmission subframe or a transmission time interval. 
 
     
     
       2. The method of  claim 1 , wherein a value of M is at least one of:
 a constant, configured by a system, and determined by the sending end. 
 
     
     
       3. The method of  claim 1 , wherein the semi-persistent scheduling information comprises one of:
 a starting position of the transmission opportunity window; 
 the starting position of the transmission opportunity window and a length of the transmission opportunity window; 
 the starting position of the transmission opportunity window, the length of the transmission opportunity window and a transmission opportunity interval; 
 the starting position of the transmission opportunity window, the length of the transmission opportunity window and a number of transmission opportunities within the transmission opportunity window; 
 the starting position of the transmission opportunity window, the transmission opportunity interval and the number of transmission opportunities within the transmission opportunity window; 
 the starting position of the transmission opportunity window, a transmission opportunity starting position in the transmission opportunity window and the length of the transmission opportunity window; 
 the starting position of the transmission opportunity window, the transmission opportunity starting position in the transmission opportunity window, the length of the transmission opportunity window and the transmission opportunity interval; 
 the starting position of the transmission opportunity window, the transmission opportunity starting position in the transmission opportunity window, the length of the transmission opportunity window and the number of transmission opportunities within the transmission opportunity window; and 
 the starting position of the transmission opportunity window, the transmission opportunity starting position in the transmission opportunity window, the transmission opportunity interval and the number of transmission opportunities within the transmission opportunity window. 
 
     
     
       4. The method of  claim 1 , wherein the semi-persistent scheduling information comprises a transmission opportunity indication bitmap; or comprises a starting position of the transmission opportunity window and the transmission opportunity indication bitmap. 
     
     
       5. The method of  claim 1 , wherein the semi-persistent scheduling information comprises one or more transmission opportunity starting positions, or the semi-persistent scheduling information comprises one or more transmission opportunity starting positions for the N times of transmission opportunities and at least one of: a transmission opportunity interval; and a number of transmission opportunities. 
     
     
       6. The method of  claim 5 , wherein the semi-persistent scheduling information comprises a plurality of transmission opportunity starting positions, and each of the plurality of transmission opportunity starting positions is used for indicating one transmission opportunity or a set of consecutive transmission opportunities among the N times of transmission opportunities. 
     
     
       7. The method of  claim 1 , wherein the semi-persistent scheduling information further comprises at least one of: adjustment information of a starting position of the N times of transmission opportunities, and adjustment information of the transmission opportunity window. 
     
     
       8. The method of  claim 7 , wherein the semi-persistent scheduling information further comprises semi-persistent scheduling activation information for indicating activation, deactivation, reactivation, or release of a part of or all of the N times of transmission opportunities. 
     
     
       9. The method of  claim 1 , wherein (N−M) times of transmission opportunities, among the N times of transmission opportunities and other than the M times of transmission opportunities, comprise a transmission opportunity for sending a reference signal. 
     
     
       10. The method of  claim 9 , wherein the (N−M) times of transmission opportunities comprise a first time transmission opportunity of the N times of transmission opportunities, the first time transmission opportunity is used for sending the reference signal. 
     
     
       11. The method of  claim 1 , wherein the semi-persistent scheduling information is received in one of the following manners:
 radio resource control (RRC) protocol signaling, downlink control information (DCI), and a media access control (MAC) message. 
 
     
     
       12. A base station, comprising:
 a processor, configured to configure semi-persistent scheduling information for indicating N times of transmission opportunities in each semi-persistent scheduling period of a plurality of semi-persistent scheduling periods; wherein the N times of transmission opportunities comprise M times of transmission opportunities for data transmission, wherein N is an integer greater than 1, M is an integer, and 0<M≤N; and 
 a transmission apparatus, configured to send the configured semi-persistent scheduling information to a terminal; 
 wherein the processor is configured to select the N times of transmission opportunities from the M times of transmission opportunities; 
 wherein the semi-persistent scheduling information further comprises indication information for indicating one transmission opportunity window where the N times of transmission opportunities are located; and 
 wherein each of the N times of transmission opportunities comprises a transmission subframe or a transmission time interval. 
 
     
     
       13. The base station of  claim 12 , wherein the semi-persistent scheduling information is configured according to a traffic type of the terminal, different traffic types correspond to different semi-persistent scheduling information, and the transmission apparatus is configured to send data to the terminal via the selected N times of transmission opportunities. 
     
     
       14. The base station of  claim 12 , wherein the processor is configured to detect whether the terminal sends a reference signal on a first one of M times of transmission opportunities,
 wherein the processor is further configured to detect, on each of M times of transmission opportunities, whether the terminal sends data. 
 
     
     
       15. A terminal, comprising:
 a transmission apparatus, configured to receive semi-persistent scheduling information for indicating N times of transmission opportunities in each semi-persistent scheduling period of a plurality of semi-persistent scheduling periods sent by a base station; and 
 a processor, configured to select N times of transmission opportunities from the M times of transmission opportunities; 
 wherein N is an integer greater than 1, M is an integer, and 0<M≤N; 
 wherein the semi-persistent scheduling information further comprises indication information for indicating one transmission opportunity window where the N times of transmission opportunities are located; and 
 wherein each of the N times of transmission opportunities comprises a transmission subframe or a transmission time interval. 
 
     
     
       16. The terminal of  claim 15 , wherein the transmission apparatus is configured to send data to the base station via the selected N times of transmission opportunities. 
     
     
       17. The terminal of  claim 15 , wherein the N times of transmission opportunities include the first one of the M times of transmission opportunities, and the transmission apparatus is configured to send a reference signal via the first one of the M times of transmission opportunities.